<template>
  <div style="border: 1px solid #ccc">
    <Toolbar
      style="border-bottom: 1px solid #ccc"
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="mode"
    />
    <Editor
      style="height: 500px; overflow-y: hidden"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
  </div>
</template>

<script>
import '@wangeditor/editor/dist/css/style.css' // 引入 css
import { onBeforeUnmount, ref, shallowRef, onMounted } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

export default {
  components: { Editor, Toolbar },
  props: {
    modelValue: {
      type: String,
      default: ''
    }
  },
  setup() {
    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef()
    // 内容 HTML
    const valueHtml = ref('')

    const toolbarConfig = {}

    const editorConfig = {
      placeholder: '请输入内容...',
      MENU_CONF: {
        uploadImage: {
          server: '/api/upload/uploadFileWithWangEditor', //上传
          fieldName: 'file', //form-data
          maxNumberOfFiles: 10, //最多可上传几个文件，默认为 100
          headers: {
            // 自定义增加 http  header
            Authorization: localStorage.getItem('TOKEN')
          },
          allowedFileTypes: ['image/*'], //选择文件时的类型限制
          timeout: 10000
        }
      }
    }

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
      const editor = editorRef.value
      if (editor == null) return
      editor.destroy()
    })

    const handleCreated = (editor) => {
      editorRef.value = editor
    }

    return {
      editorRef,
      valueHtml,
      mode: 'default',
      toolbarConfig,
      editorConfig,
      handleCreated
    }
  },
  watch: {
    modelValue: {
      immediate: true,
      handler(newVal) {
        this.valueHtml = newVal
      }
    },
    valueHtml: {
      immediate: true,
      handler(newVal) {
        this.$emit('onChange', newVal)
      }
    }
  }
}
</script>
